Jackie Battle scored once on a pass reception and ran in another score Sunday in the San Diego Chargers\' 37-20 spanking of Kansas City. Philip Rivers hurled a pair of scoring strikes on his way to 209 yards on 18-of-23 efficiency for San Diego (3-1), which struck for 17 first-quarter points and never looked back. Antonio Gates made three grabs for 59 yards as the Chargers rebounded from a 27-3 loss to Atlanta last week. Kansas City (1-3) was done in by six turnovers as Matt Cassel was picked off three times in the first half. He managed to complete 24-of-42 passes for 251 yards and two touchdowns.